diff -up procps-3.2.7/ps/ps.1.ps-man-fmt procps-3.2.7/ps/ps.1
--- procps-3.2.7/ps/ps.1.ps-man-fmt	2008-09-01 11:43:18.000000000 +0200
+++ procps-3.2.7/ps/ps.1	2008-09-01 11:43:41.000000000 +0200
@@ -30,7 +30,7 @@
 .\" the space needed for the 1st two columns.
 .\" Making it messy: inches, ens, points, scaled points...
 .\"
-.nr ColSize ((\n(.lu-\n(.iu/\n(.Hu-20u)n)
+.nr ColSize ((\n[.l] - \n[.i]) / 1n - 20)
 .\"
 .\" This is for command options
 .nr OptSize (16u)
